[1] A frequent onstage guest at Gov't Mule shows, Freed co-wrote and recorded ”Life on the Outside,” a song on their album The Deep End, Volume 1, which featured Sly and the Family Stone bassist Larry Graham.

Freed is also a frequent guest guitarist at the annual Warren Haynes Presents The Christmas Jam, a benefit for Habitat for Humanity, taking place each December in Asheville, North Carolina.

Freed joined the Dixie Chicks in 2006 for their Accidents and Accusations tour, which took them to the U.S., Canada, Europe and Australia and culminated in a performance at the 2007 Grammy Awards.

Starting in May 2008, Freed toured with Jakob Dylan[1] as part of the Gold Mountain Rebels trio, which also featured Wallflowers drummer Fred Eltringham, and former New Earth Mud bandmate George Reif on bass and background vocals.

He was a founding member of Trigger Hippy, featuring Joan Osborne, Steve Gorman, Jackie Greene, and Nick Govrik.

[4] In 2016, Freed played with Sheryl Crow and Grace Potter in a salute to Glenn Frey at the Rock and Roll Hall of Fame Ceremony.